11002011001 has 2 divisors, whose sum is σ = 11002011002. Its totient is φ = 11002011000.

The previous prime is 11002010959. The next prime is 11002011037. The reversal of 11002011001 is 10011020011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9741690000 + 1260321001 = 98700^2 + 35501^2 .

It is a cyclic number.

It is not a de Polignac number, because 11002011001 - 2⁹ = 11002010489 is a prime.

It is a super-2 number, since 2×11002011001² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11002012001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5501005500 + 5501005501.

It is an arithmetic number, because the mean of its divisors is an integer number (5501005501).

Almost surely, 2^11002011001 is an apocalyptic number.

It is an amenable number.

11002011001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11002011001 is an equidigital number, since it uses as much as digits as its factorization.

11002011001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 11002011001 its reverse (10011020011), we get a palindrome (21013031012).

The spelling of 11002011001 in words is "eleven billion, two million, eleven thousand, one".